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1 2 3 4 Depth, cm Es-1b, Es-2b, Es-3b Ahkb AhBkb Blkb Es-4b Es-5s Ahkb AhBkb Ahkb AhBkb 0 Blkb Blkb B2kb B2kb BCkb B2kb BCkb BCkb 0 Carbonate pseudomycelium White soft carbonate spots Carbonate impregnation Gypsum veins Animal holes Depth of segregated carbonate pedofeatures appearance Pedogenetic proxies of climatic trends during the studied time interval at the early Bronze Age include: ❖1) enrichment of the upper horizons in organic carbon; ❖2) calcification and salinization (an upward migration of carbonates and gypsum); 3) alkalinization (the share of exchangeable Na in CEC); ❖4) bioturbation (cf. Figure). a b с CC 0 BY

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